"The Importance of Being Unimportant" Refers to Which of the Following

"The importance of being unimportant" refers to which of the following?

A) Small countries are likely to gain a great deal from trade since they have little impact on world prices.
B) Small countries are likely to gain a great deal from trade because they will be able to sell large amounts on world markets.
C) Large countries are likely to gain a great deal from trade since they have a large impact on world prices.
D) All countries are will gain from trade because every country will have a comparative advantage in at least one good.